package com.zzuli.practice.service;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.zzuli.practice.entity.User;

import java.util.List;

/**
 * @auther pony
 * @create 2022-07-06 10:16
 */
public interface IUserService {
    /**
     * 查找用户是否存在
     * @param username
     * @return
     */
    public User ckUsername(String username);

    public Boolean addUser(User user);

}
